{"id":6274,"date":"2026-06-02T17:57:43","date_gmt":"2026-06-02T14:57:43","guid":{"rendered":"https:\/\/karusele.com\/coliai-i-mm\/"},"modified":"2026-06-02T17:57:43","modified_gmt":"2026-06-02T14:57:43","slug":"coliai-i-mm","status":"publish","type":"page","link":"https:\/\/karusele.com\/pl\/coliai-i-mm\/","title":{"rendered":"Cale na mm \u2014 konwerter i tabela DN"},"content":{"rendered":"<h1>Cale na mm \u2014 konwerter i tabela odniesienia DN \/ BSP<\/h1>\n<p>Ten konwerter cali na mm pozwala szybko przeliczy\u0107 cale na milimetry lub milimetry na cale. Znajdziesz r\u00f3wnie\u017c tabel\u0119 odniesienia DN \u2194 cal \u2194 mm \u2014 idealn\u0105 do wyboru rur, gwint\u00f3w i z\u0142\u0105czek wed\u0142ug standardowego DN (nominalnej \u015brednicy).<\/p>\n<div class=\"kr-calc kr-coliai\">\n<style>\n.kr-coliai .kr-conv-row{display:flex;gap:1em;align-items:flex-end;flex-wrap:wrap;margin-bottom:1em}\n.kr-coliai .kr-conv-row>div{flex:1;min-width:140px}\n.kr-conv-sep{text-align:center;font-size:1.4em;font-weight:bold;padding-bottom:.4em;color:#555}\n.kr-coliai table{width:100%;border-collapse:collapse;margin-top:1em;font-size:.88em}\n.kr-coliai table th{background:#1a73e8;color:#fff;padding:.5em .7em;text-align:left}\n.kr-coliai table td{padding:.45em .7em;border-bottom:1px solid #e5e5e5}\n.kr-coliai table tr:hover td{background:#f0f6ff}\n<\/style>\n<h3>? Cale \u2194 mm konwerter<\/h3>\n<div class=\"kr-conv-row\">\n  <div>\n    <label>Cale (in)\n      <input type=\"number\" id=\"kr-col-in\" step=\"0.001\" placeholder=\"np. 1.5\" oninput=\"krColToMm()\">\n    <\/label>\n  <\/div>\n  <div class=\"kr-conv-sep\">\u2194<\/div>\n  <div>\n    <label>Milimetry (mm)\n      <input type=\"number\" id=\"kr-col-mm\" step=\"0.01\" placeholder=\"np. 38.1\" oninput=\"krMmToCol()\">\n    <\/label>\n  <\/div>\n<\/div>\n<div id=\"kr-col-res\" style=\"font-size:.95em;color:#333;margin-bottom:1em;min-height:1.4em\"><\/div>\n<h4 style=\"margin:.5em 0 .3em;font-size:1em\">Tabela odniesienia DN \u2194 Cal \u2194 mm<\/h4>\n<table>\n<thead><tr><th>DN<\/th><th>Cal (BSP)<\/th><th>Zewn\u0119trzny \u00d8 mm<\/th><th>Wewn\u0119trzny \u00d8 mm (przybli\u017cony)<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>DN 6<\/td><td>1\/8\"<\/td><td>10,2<\/td><td>6,8<\/td><\/tr>\n<tr><td>DN 8<\/td><td>1\/4\"<\/td><td>13,5<\/td><td>9,2<\/td><\/tr>\n<tr><td>DN 10<\/td><td>3\/8\"<\/td><td>17,2<\/td><td>12,5<\/td><\/tr>\n<tr><td>DN 15<\/td><td>1\/2\"<\/td><td>21,3<\/td><td>15,8<\/td><\/tr>\n<tr><td>DN 20<\/td><td>3\/4\"<\/td><td>26,9<\/td><td>20,4<\/td><\/tr>\n<tr><td>DN 25<\/td><td>1\"<\/td><td>33,7<\/td><td>26,6<\/td><\/tr>\n<tr><td>DN 32<\/td><td>1 1\/4\"<\/td><td>42,4<\/td><td>35,2<\/td><\/tr>\n<tr><td>DN 40<\/td><td>1 1\/2\"<\/td><td>48,3<\/td><td>41,0<\/td><\/tr>\n<tr><td>DN 50<\/td><td>2\"<\/td><td>60,3<\/td><td>52,5<\/td><\/tr>\n<tr><td>DN 65<\/td><td>2 1\/2\"<\/td><td>76,1<\/td><td>68,0<\/td><\/tr>\n<tr><td>DN 80<\/td><td>3\"<\/td><td>88,9<\/td><td>80,9<\/td><\/tr>\n<tr><td>DN 100<\/td><td>4\"<\/td><td>114,3<\/td><td>105,3<\/td><\/tr>\n<\/tbody>\n<\/table>\n<script>\n(function(){\nfunction krColToMm(){\n  var v=parseFloat(document.getElementById('kr-col-in').value);\n  if(isNaN(v)){document.getElementById('kr-col-mm').value='';document.getElementById('kr-col-res').textContent='';return;}\n  var mm=(v*25.4).toFixed(4);\n  document.getElementById('kr-col-mm').value=mm;\n  document.getElementById('kr-col-res').textContent=v+' col. = '+mm+' mm';\n}\nfunction krMmToCol(){\n  var v=parseFloat(document.getElementById('kr-col-mm').value);\n  if(isNaN(v)){document.getElementById('kr-col-in').value='';document.getElementById('kr-col-res').textContent='';return;}\n  var col=(v\/25.4).toFixed(6);\n  document.getElementById('kr-col-in').value=col;\n  document.getElementById('kr-col-res').textContent=v+' mm = '+col+' col.';\n}\nwindow.krColToMm=krColToMm;\nwindow.krMmToCol=krMmToCol;\n})();\n<\/script>\n<\/div>\n    \n<h2>Stosunek cali do milimetr\u00f3w<\/h2>\n<p>Jeden cal (1&#8243;) jest r\u00f3wny <strong>25,4 mm<\/strong>Ta warto\u015b\u0107 jest mi\u0119dzynarodowym standardem (ISO 31-1). Wzory przeliczeniowe:<\/p>\n<ul>\n<li><strong>Cale \u2192 mm:<\/strong> mm = cale \u00d7 25,4<\/li>\n<li><strong>mm \u2192 cale:<\/strong> cale = mm \u00f7 25,4<\/li>\n<\/ul>\n<h2>System DN dla rur<\/h2>\n<p>DN (Diameter Nominal) \u2014 nominalna \u015brednica rury wed\u0142ug EN ISO 6708. Wa\u017cne: DN nie odpowiada rzeczywistej \u015brednicy zewn\u0119trznej \u2014 jest to warto\u015b\u0107 umowna, u\u017cywana do doboru z\u0142\u0105czek, zawor\u00f3w i po\u0142\u0105cze\u0144 pomp.<\/p>\n<h2>Najcz\u0119\u015bciej zadawane pytania<\/h2>\n<h3>Jaka jest \u015brednica rury 1\/2 cala w milimetrach?<\/h3>\n<p>Zewn\u0119trzna \u015brednica rury 1\/2&#8243; (DN 15) wed\u0142ug normy EN wynosi <strong>21,3 mm<\/strong>. Jest to najcz\u0119\u015bciej stosowana \u015brednica w systemach wodoci\u0105gowych i grzewczych.<\/p>\n<h3>Czym r\u00f3\u017cni\u0105 si\u0119 gwinty BSP\/G i NPT?<\/h3>\n<p>Gwinty BSP (British Standard Pipe) \/ G s\u0105 stosowane w Europie i Azji, NPT (National Pipe Taper) \u2014 w USA i Kanadzie. Nie s\u0105 one ze sob\u0105 kompatybilne, dlatego wa\u017cne jest, aby prawid\u0142owo zidentyfikowa\u0107 typ gwintu.<\/p>\n<h3>Jak przekonwertowa\u0107 3\/4 cala na mm?<\/h3>\n<p>3\/4&#8243; = 0,75 \u00d7 25,4 = <strong>19,05 mm<\/strong>Zewn\u0119trzna \u015brednica rury DN 20 (odpowiada 3\/4&quot;) wynosi 26,9 mm.<\/p>\n<h3>Czy Karusel\u0117 sprzedaje rury wed\u0142ug DN?<\/h3>\n<p>Tak \u2014 nasze <a href=\"\/nerudijancio-plieno-vamzdis\/\">asortyment rur ze stali nierdzewnej<\/a> jest opisany wed\u0142ug zewn\u0119trznej \u015brednicy i grubo\u015bci \u015bcianki, odpowiadaj\u0105cej nominalnemu DN.<\/p>","protected":false},"excerpt":{"rendered":"<p>Coliai \u012f mm \u2014 konverteris ir DN \/ BSP referencin\u0117 lentel\u0117 \u0160is coliai \u012f mm konverteris leid\u017eia greitai perskai\u010diuoti colius milimetrais arba milimetrus coliais. Taip pat rasite DN \u2194 colis \u2194 mm referencin\u0119 lentel\u0119 \u2014 ideali\u0105 pasirenkant vamzd\u017eius, sriegius ir fittingus pagal standartin\u012f DN (nominal\u0173 skersmen\u012f). Coli\u0173 ir milimetr\u0173 santykis Vienas colis (1&#8243;) lygus lygiai [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6274","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/karusele.com\/pl\/wp-json\/wp\/v2\/pages\/6274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/karusele.com\/pl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/karusele.com\/pl\/wp-json\/wp\/v2\/types\/page"}],"replies":[{"embeddable":true,"href":"https:\/\/karusele.com\/pl\/wp-json\/wp\/v2\/comments?post=6274"}],"version-history":[{"count":0,"href":"https:\/\/karusele.com\/pl\/wp-json\/wp\/v2\/pages\/6274\/revisions"}],"wp:attachment":[{"href":"https:\/\/karusele.com\/pl\/wp-json\/wp\/v2\/media?parent=6274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}